Ingredients

  • 1 cup unsalted butter, room temperature, plus more for pan
  • 12 cup Dutch-processed cocoa powder, plus more for pan
  • 3 cups sugar
  • 5 eggs, yolk
  • 1 egg yolk
  • 2 34 cups all-purpose flour
  • 34 teaspoon table salt
  • 12 teaspoon baking powder
  • 1 cup buttermilk
  • 2 teaspoons vanilla extract
  • 4 ounces chopped semisweet chocolate
  • 34 cup heavy cream
  • 1 tablespoon corn syrup

Method

  • Preheat oven to 350 degrees F. Butter a 10-inch Bundt pan and dust with cocoa powder.
  • In a large bowl of a stand mixer, add the butter and the sugar.
  • Using the paddle attachment, cream together until light and fluffy and the volume has increased.
  • Add the eggs and egg yolk, 1 at a time, beating after each addition.
  • In another mixing bowl, whisk together the flour, cocoa powder, the salt, and baking powder.
  • Add the dry ingredients alternatively with the buttermilk to the butter and egg mixture ending with the flour.
  • Stir in the vanilla and pour the batter into the prepared Bundt pan.
  • Bake for 1 hour and 10 minutes or until a toothpick inserted in the cake comes out clean.
  • Let cool on a wire rack before turning out onto a serving plate and slicing.
  • Glaze:.
  • Add the chocolate to a medium-sized bowl.
  • In a small saucepan over low heat, add the cream and bring to a low simmer.
  • Pour the cream over the chocolate and add the corn syrup.
  • Once the chocolate melts, whisk together to combine.
  • Drizzle over the cake and serve.